CN104321532B

CN104321532B - There is the suction nozzle of adjustable diameter accessory

Info

Publication number: CN104321532B
Application number: CN201380026383.3A
Authority: CN
Inventors: R·J·杜普尔特; T·罗加尔斯基
Original assignee: Bitzer Kuehlmaschinenbau GmbH and Co KG
Current assignee: Bitzer Kuehlmaschinenbau GmbH and Co KG
Priority date: 2012-03-23
Filing date: 2013-03-19
Publication date: 2016-08-24
Anticipated expiration: 2033-03-19
Also published as: US9039384B2; EP2839159A4; CN104321532A; US20130251544A1; EP2839159A2; WO2013142503A2; EP2839159B1; WO2013142503A3

Abstract

The suction nozzle of a kind of compressor for such as scroll compressor can include the plasticity ring body with wire netting, and the thermal welding in the window of ring body of described wire netting enters the refrigerant gas of motor with filtration.Ring body can be around relation with motor, and is elastically compressed by discontinuous contact the with inner shell dignity in the housing, with preferably around inlet seal.Oil drain passage and stability ribs can be arranged along ring body outer surface.

Description

There is the suction nozzle of adjustable diameter accessory

Technical field

By some embodiments about scroll compressor, main body of the present invention relate to a kind of for compressing cold-producing medium Compressor, and relate more specifically to a kind of entering the device of filtered fluid before compressor assembly.

Background technology

Scroll compressor be a kind of for for such as refrigeration, air-conditioning, industry cooling and the equipment of freezing equipment and/or Use the certain types of compressor of other equipment compression cold-producing medium of compression fluid.The most existing scroll compressor by Know, such as, authorizing the United States Patent (USP) 6,398,530 of Hasemann, authorizing the United States Patent (USP) 6,814 of Kammhoff et al., 551, exemplified by the United States Patent (USP) 6,960,070 authorizing Kammhoff et al. and the United States Patent (USP) authorizing Kammhoff et al. , all these patent all transfers Bitzer entity closely-related with this assignee.Due to it relates to can be The improvement of application in these or other scroll compressor designs, american documentation literature 6,398,530,7,112,046,6,814, All disclosures of 551 and 6,960,070 are being expressly incorporated herein with them at this entirely through way of reference.

As by exemplified by these patent documentations, scroll compressor thermomechanical components includes shell body traditionally, tool in shell body There is scroll compressor.Scroll compressor includes the first and second scroll compressor members.First compressor structural components is usual Static setting and fixing in shell body.Second scroll compressor members is movable relative to the first scroll compressor members Thus compress cold-producing medium between and each scroll rib of being engaged with each other protruding above at each pedestal.For tradition, movable vortex Formula compressor structural components is actuated to compress cold-producing medium around the orbital path around central axis.Suitably driver element is the most such as Motor typically arranges to drive movable scroll element in same housing.

Some scroll compressors are known as having axial constraint, so that fixed scroll member has limited shifting Dynamic scope.This can be by the thermal expansion making these parts expand when the temperature of orbital scroll part and fixed scroll raises And realize.The example of the device controlling this constraint is shown in the United States Patent (USP) 5 authorizing Caillat et al., in 407,335, and should The complete disclosure of patent is at this incorporated herein by reference.

The present invention is relevant to the refrigerant gas flow of scroll compressor, filtration and further feature, it is intended that to existing skill Art makes improvement.

Summary of the invention

Present invention resides in the one side of adaptive suction nozzle in compressor housing.In one aspect, the embodiment party of the present invention Formula provides a kind of for compressing fluid compression engine, and described compressor includes housing, compressor means, driver element and air-breathing Pipe.Described housing has the outlet for the entrance and Returning fluid receiving fluid.Described compressor means is suitable to towards outlet Compress fluid and house in the housing.Described driver element is operatively connectable to compressor means for driving compression mechanism Compression fluid.The described suction nozzle being positioned at housing has the inlet region being arranged on housing inlet port.Described suction nozzle has and encloses Sealing surface around inlet region.Described sealing surface is located against the biasing of shell inner surface floor spring.

On the other hand, spring biasing mechanisms is integrally formed with suction nozzle, between described spring biasing mechanisms is to become with entrance Act on biasing sealing surface against shell inner surface floor spring on housing every relation.

On the other hand, spring biasing mechanisms is integrally formed in the body of suction nozzle.Suction nozzle is by installing in the housing Time elastic deformation elastoplast formed.

In some embodiments, housing includes generally cylindrical shell section.Housing definition has entering by described entrance cincture Stream axis, flowing initially enters housing with the described axis that becomes a mandarin.Suction nozzle includes that ring body, described ring body have transverse axis On maximum span, this maximum span more than along the maximum span of the axis that becomes a mandarin, with cause ring body by shell section along Transverse axis extrudes.Thus, the spring biases strength is generated biasing sealing surface against shell inner surface floor spring.

On the other hand, sealing surface includes for the cambered surface with generally cylindrical substantially uniform formation of shell inner surface.

In other embodiments, ring body is continuous print and is consequently formed driving entirely around electro-motor form The complete annular of moving cell.Further, compressor means can be the vortex pressure including a plurality of scroll compressor body Contracting machine, described a plurality of scroll compressor bodies have corresponding pedestal and highlight from corresponding pedestal and engage each other around axis For compressing the corresponding scroll rib of fluid.Described electric motor operated is to promote the relative orbit between scroll compressor body Motion.

Also in other embodiment, suction nozzle includes the ring body of the driver element around electro-motor form.Inhale Trachea definition has the inlet port extending through ring body.Described inlet port aligns with described entrance with by from described entrance Fluid direct communication enters in electro-motor.

On the other hand, air inlet pipe includes being positioned on the inlet port of ring body and is arranged as arriving electronic horse at fluid Oarse-grained net is leached before soothing the liver.Described inlet port includes the window being fully sealed face cincture.

In some embodiments, ring body is arranged around vertical axis.The ring body of described suction nozzle is further Be included between housing and suction nozzle limit and around sealing surface and with inlet region biasing position in annular this At least one the oil backward channel vertically extended between top and the bottom of body.

In other embodiments, ring body includes being connected to recess walls section and projecting radially outwardly from recess walls section Multiple arc-shaped circumference wall sections.The definition of its middle shell by the axis that becomes a mandarin being basically perpendicular to vertical pivot of entrance cincture, stream initially with The described axis that becomes a mandarin enters housing, and housing also defines the transverse axis being approximately perpendicular to vertical pivot and extending transverse to the axis that becomes a mandarin.Institute Stating multiple arc-shaped circumference wall section, to include that first with the axes intersect that becomes a mandarin cooperates right.First cooperation to an arc-shaped circumference wall section Act on generally cylindrical of shell inner surface to provide sealing surface.Second cooperation is intersected with transverse axis.Wherein lax Uncompressed state, is cooperated to along the axle that becomes a mandarin more than by first to the maximum outside dimension span defined along transverse axis by the second cooperation The maximum outside dimension span of line definition.

On the other hand, at lax uncompressed state, by the second cooperation to the maximum outside dimension defined along transverse axis across Degree cooperates to the maximum outside dimension span big 0.5% to 5% defined along the axis that becomes a mandarin than by first.

In some embodiments, first cooperation to act on providing sealing on generally cylindrical of shell inner surface The one arc-shaped circumference wall section in face spans bigger Angular Dimension than another arc-shaped circumference wall section.

In other embodiments, recess walls section defines the outer perimeter than described arc-shaped circumference wall Duan Geng little.Housing bag Include generally cylindrical shell section, and formed to provide along ring body periphery between recess walls section and generally cylindrical shell section The gap of oil flow channel.Wherein recess walls section includes inner perimeter, in addition to forming an arc-shaped circumference wall section of sealing surface, Remaining each arc-shaped circumference wall Duan Jun includes along inner perimeter, the inside release that extends larger with inner perimeter described in radius ratio.

In one aspect, embodiments of the present invention provide a kind of compressor, and described compressor includes for compressing refrigeration Compressor described in the compressor of agent includes housing, compression mechanism, driver element and suction nozzle.Housing has for receiving fluid Entrance and the outlet of Returning fluid.Described housing includes the generally cylindrical shell section around vertical pivot, wherein said housing definition quilt The axis that becomes a mandarin of entrance cincture, stream initially enters housing with the described axis that becomes a mandarin.The described axis that becomes a mandarin is approximately perpendicular to vertical pivot.Pressure Contracting machine mechanism is suitable to towards described outlet compression fluid.Described compressor means is accommodating in the housing, and includes each vortex Compressor body, described each scroll compressor body has corresponding pedestal and highlights from corresponding pedestal and connect mutually around axis Share in the corresponding scroll rib of compression fluid.Driver element may be operably coupled to compressor means to drive the compression of compression mechanism Fluid.Described driver element is that electro-motor is formed.Electro-motor is operable as promoting the rail between scroll compressor body Road moves.Suction nozzle is arranged in housing and has the inlet region being arranged on housing inlet port.Described suction nozzle has cincture The sealing surface of inlet region.Described sealing surface is located against the biasing of shell inner surface floor spring.Spring biasing mechanisms is integrally formed in suction In trachea body.Suction nozzle is formed by the elastoplast of elastic deformation when installing in the housing.Further, suction nozzle includes ring Shape body.Ring body has the maximum span on transverse axis, and this maximum span is more than the maximum span along the axis that becomes a mandarin.Work as ring When shape body is extruded along transverse axis by shell section, the spring biases strength produces thus by sealing surface against shell inner surface floor spring Biasing.Described sealing surface can include the arcwall face of generally cylindrical the formation substantially for shell inner surface.Further, described Suction nozzle can include being positioned at ring body and enters the mouth and be arranged as leaching before fluid arrives electro-motor oarse-grained Net.Described inlet port include by sealing surface entirely around window.

On the other hand, ring body includes multiple arc-shaped circumference wall section connected by recess walls section.Transverse axis is substantially vertical In vertical pivot and extend with becoming a mandarin axis.It is right that the plurality of arc-shaped circumference wall section includes that first with the axes intersect that becomes a mandarin cooperates.The One cooperation to an arc-shaped circumference wall section act on providing sealing surface on generally cylindrical of shell inner surface.Second cooperation Intersect with transverse axis.By the second cooperation, the maximum outside dimension span defined along transverse axis is cooperated to along becoming a mandarin more than by first Axis definition maximum outside dimension span, and wherein first cooperation to act on generally cylindrical of shell inner surface with There is provided the one arc-shaped circumference wall section of sealing surface than other arcuate section spans bigger Angular Dimension.Recess walls section limits Outer perimeter than arc-shaped circumference wall Duan Geng little.Further, the gap formed between recess walls section and generally cylindrical shell section To provide the oil flow passage through ring body.Recess walls section includes inner perimeter.Further, each arc-shaped circumference wall Duan Jun Including along inner perimeter, the inside release that extends larger with inner perimeter described in radius ratio.

Another aspect of the present invention is to manufacture and assembly features.A kind of have for providing the method for compressor to be included in For receiving the entrance of fluid and housing compressor means in the housing of the outlet of Returning fluid.Described compressor means is fitted In towards outlet compression fluid.It follows that drive compressor means to compress fluid.Then by inclined for the suction nozzle spring in housing Put with the sealing surface against housing suction nozzle substantially sealed off.Described method makes fluid pass by the inlet region with inlet port Suction nozzle ground enters, and described inlet port is formed on suction nozzle and at least partly surrounded by sealing surface, and described inlet port Align with described entrance.

On the other hand, by providing described spring to bias suction nozzle body elastic deflection, and described suction nozzle is originally The interior shape of housing is adjusted and accords with shape by body acupuncture.

On the other hand, housing definition is by the axis that becomes a mandarin of entrance cincture, and stream initially enters shell with the described axis that becomes a mandarin Body.Suction nozzle is formed with annular.Annular is sized to make it along being horizontally placed on the axis effect of the axis that becomes a mandarin and compressing also And expand along the axis that becomes a mandarin, thus spring is provided to bias.

On the other hand, oil passes through gravity type drain along the passage formed between ring body periphery and shell inner surface Ground returns.Described passage and entrance interval are arranged.

In some embodiments, described method can make fluid flow through inlet port thus flow through annular originally Body, ring body is flow through on a road and inflow houses the motor housing of the electro-motor for driving compressor means.

In other embodiments, housing can include generally cylindrical shell section.Housing can be in the spaced position of angle On contact by the arc-shaped circumference wall section of ring body is discontinuous with ring body.The arc-shaped circumference wall section of ring body is with recessed Fall into wall section to connect.At least in addition to forming an arc-shaped circumference wall section of sealing surface, by the inner perimeter phase of arc-shaped circumference wall section Inner wall section is released.

When connection with figures, the other side of the present invention, purpose and advantage will become brighter from following illustrating Really.

Accompanying drawing explanation

That the present invention is incorporated to and constitute the described accompanying drawing of a present invention part and show the many aspects of invention, and These accompanying drawings combine description for illustrating spirit of the invention.In the drawing:

Fig. 1 is the cross section of the scroll compressor thermomechanical components according to embodiment of the present invention；

Fig. 2 is the cross section isometric drawing on the top of the scroll compressor thermomechanical components of Fig. 1；

Fig. 3 be Fig. 1 scroll compressor thermomechanical components selected by the decomposition isometric drawing of parts；

Fig. 4 is exemplary key coupler according to the embodiment of the present invention and the perspective of movable scroll compressor body Figure；

Fig. 5 is the top isometric of the guide ring constructed according to the embodiment of the present invention；

Fig. 6 be the guide ring of Fig. 5 look up isometric drawing；

Fig. 7 is guide ring according to the embodiment of the present invention, bent axle divertimento axle sleeve, key coupler and scroll compressor The decomposition isometric drawing of body；

Fig. 8 is the isometric drawing of each parts of Fig. 7 being shown as having assembled；

Fig. 9 is the cross section isometric drawing of each parts in shell body top section according to the embodiment of the present invention；

Figure 10 is the decomposition isometric drawing of each parts of Fig. 9；

Figure 11 be floating seal according to the embodiment of the present invention look up isometric drawing；

Figure 12 is the top isometric of the floating seal of Figure 11；

Figure 13 is the decomposition isometric drawing of the selected parts for scroll compressor thermomechanical components alternate embodiments；

Figure 14 is the cross section isometric drawing of a part for the scroll compressor thermomechanical components according to embodiment of the present invention structure；

Figure 15 is the detailed description of the invention according to the present invention, include the vortex that is positioned at the suction nozzle of scroll compressor The cross section isometric drawing of compressor assembly；

Figure 16 is the isometric drawing of the suction nozzle of the detailed description of the invention according to the present invention；

Figure 17 is the top view of the suction nozzle of the detailed description of the invention according to the present invention；

Figure 18 is according to the scroll compressor shown in Figure 15 of the detailed description of the invention of the present invention and suction conduit assembly Cross section isometric drawing；

Figure 19 is the decomposition isogonism assembling of the suction nozzle body before the detailed description of the invention according to the present invention, assembling and net View；

Figure 20 is the view that the alternate embodiments according to the present invention is similar with Figure 19；

Figure 21 is the decomposition isogonism assembled view of the suction nozzle according to another embodiment of the present invention；

Figure 22 is the sectional view of the suction nozzle with depressed area of the embodiment according to Figure 21；

Figure 23 is the isometric drawing of assembling of the suction nozzle of the embodiment according to Figure 21 and Figure 22；

Figure 24 is the sectional view of the suction nozzle with groove for inserting net according to another embodiment of the invention；With And

Figure 25 is the isogonism exploded view of the suction nozzle embodiment of Figure 24.

Although the present invention will be described by conjunction with some preferred implementations, but it is not intended to be confined to those embodiment party Formula.Conversely, contain in the spirit of the invention being defined by the following claims due to all of replacement, remodeling and equivalence and In the range of, therefore the invention is intended to cover all these and substitute, retrofit and of equal value.

Detailed description of the invention

The embodiments of the present invention scroll compressor thermomechanical components 10 being to generally include shell body 12 shown in the drawings, whirlpool Rotary compressor 14 can drive by drived unit 16 in described shell body 12.Scroll compressor thermomechanical components 10 may be provided at for In the refrigerating circuit of other suitable equipment of the cold-producing medium of refrigeration, industry cooling, freezing, air-conditioning equipment or needs compression.Suitable When interface provide the connection with refrigerating circuit, and described interface includes the refrigerant inlet 18 that extends through shell body 12 With refrigerant outlet 20.Scroll compressor thermomechanical components 10 is operable as running scroll compressor by the operating of driver element 16 14 and thus by enter refrigerant inlet 18 and with the high pressure conditions that compressed from refrigerant outlet 20 discharge suitable Cold-producing medium or other fluid are compressed.

The shell body of scroll compressor thermomechanical components 10 can take many forms.In the detailed description of the invention of the present invention, outward Housing 12 includes multiple shell section.In the embodiment of figure 1, shell body 12 includes central authorities tubular shell section 24, tip shell Section 26 and the single-piece drain pan 28 as installation pedestal.In some embodiments, shell section 24,26,28 is by suitable steel plate Formed and be welded together thus form permanent housings body 12 encasement.However, if it is desired to fractionation housing, then can provide Including other housing unit of metal casting or machined components, wherein shell section 24,26,28 utilizes securing member to be attached.

As from the embodiment of Fig. 1, central authorities' shell section 24 is tubular, and engages with tip shell section 26.At this In individual embodiment, demarcation strip 30 is arranged in tip shell section 26.In an assembling process, these parts can be assembled as so that When tip shell section 26 is bonded to central authorities' tubular shell section 24, the single weld part of cincture shell body 12 circumference is by tip shell Section 26, demarcation strip 30 and central authorities' tubular shell section 24 connect.In a specific embodiment, central authorities' tubular shell section 24 is soldered to list Part formula drain pan 28, but, as it has been described above, alternate embodiments can include by shell body 12 these sections connect other method (as Securing member).The assembling of shell body 12 causes fenced driver element 16 and the closing chamber of the fenced scroll compressor of part 14 The formation of 31.In a specific embodiment, tip shell section 26 for general dome shape and includes abutting central authorities' tubular shell section Each cylindrical sidewall district 32 at 24 tops, described tip shell section 26 and provide the closing on shell body 12 top.Also can from Fig. 1 See, the most outside par of the circumferential rib 34 of the projection of abutting bottom, the bottom shell section 28 of central authorities' tubular shell section 24.? In at least one embodiment of the present invention, central authorities' tubular shell section 24 and bottom shell section 28 are by around shell body 12 bottom The outside weldings of circumference connects.

In a specific embodiment, driver element 16 is electric motor assembly 40 form.Electric motor assembly 40 is operable Ground rotates and drive shaft 46.Further, electric motor assembly 40 generallys include the stator 50 containing electric coil and is bonded to drive Moving axis 46 is with the rotor 52 rotated together with.Stator 50 directly or is supported by adapter by shell body 12.Stator 50 can be straight Connect and be press-fitted in shell body 12, or can coordinate with adapter (not shown) and then be press-fitted in shell body 12.Concrete real Executing in mode, rotor 52 is arranged in the drive shaft 46 supported by upper and lower bearing 42,44.Become to rotate to stator 50 power-on servicing Ground drives rotor 52 and thus around central axis 54 rotating driveshaft 46.Applicant it is pointed out that in the present invention When term " axial " and " radially " are used for the feature describing parts or assembly, described " axial " and " radially " is phase Central axis 54 is defined.Specifically, term " axial " or " axially extending " refer to be parallel to central axis 54 Direction upper process or extend this characteristic, and term " radially " or " radially extending " refer to be perpendicular to central axis 54 Direction upper process or extend this feature.

Seeing Fig. 1, lower support component 44 includes that generally cylindrical center hub 58, described hub 58 include providing tubular bearing 60 Cylindrical central sleeve and opening, wherein drive shaft 46 with axle journal be installed in described tubular bearing 60 realization rotate support.Lower support The tabular of component 44 highlights district 68 and projects radially outwardly from center hub 58, and is used as stator 50 bottom from lubricating oil bath 76 Isolation.The axially extended boundary 70 of lower support component 44 can engage with the aperture surface of central shell section 24 with by lower support structure Part 44 medially arranges and thus keeps the lower support component 44 position relative to central axis 54.This can be by lower support structure Interference between part 44 and shell body 12 is press-fitted supporting construction and is achieved.

In the embodiment of figure 1, drive shaft 46 has the impeller tube 47 being attached at drive shaft 46 bottom.It is being embodied as In mode, the diameter of impeller tube 47 is less than drive shaft 46, and impeller tube 47 and central axis 54 concentric alignment.As can from Fig. 1 Seeing, drive shaft 46 and impeller tube 47 are through the opening on the tubular hub 58 of lower support component 44.At the upper end of drive shaft 46, drive Moving axis 46 is installed with axle journal in upper supporting member 42 and is used for rotating.Upper supporting member 42 is also referred to as " bent axle set ".

Drive shaft 46 farther includes the biasing eccentric drive portion 74 with tubular drive surface 75 (figure 2 illustrates), institute State tubular drive surface 75 around the biasing axis offset relative to central axis 54.This biasing drive division 74 is arranged on axle journal In the cavity of the movable scroll compressor body 112 of scroll compressor 14, thus when drive shaft 46 is around central axis 54 Movable scroll compressor body 112 is driven around orbital path during rotation.In order to provide the lubrication of all of various bearing surface, Shell body 12 is provided with lubricating oil bath 76 in shell body 12 bottom, is provided with proper lubrication oil in this lubricating oil bath 76.Impeller Pipe 47 have impeller tube 47 end formed oil passage and entrance 78.When drive shaft 46 rotates, impeller tube 47 and entering Mouth 78 act as oil pump jointly, and thus pumps out and pump into, from oil sump 76, the internal lubrication limited drive shaft 46 by lubricating oil Oil path 80.In the rotary course of drive shaft 46, centrifugal action is that the effect of opposing gravity drives lubricating oil to be upward through Oil passage 80.Oil passage 80 has from its prominent multiple radial passages, with by centrifugal force by lubricating oil supply To suitable bearing surface and lubricate sliding surface the most as desired.

As shown in Figures 2 and 3, upper supporting member or bent axle set 42 include centre bearing hub 87 and support movable scroll compressor The thrust bearing 84 of machine body 112, wherein drive shaft 46 is installed in centre bearing hub 87 for rotating (referring also to figure with axle journal 9).The outward extending dish being to terminate at the discontinuous perimeter support face 88 limited by dispersion spacer 89 from centre bearing hub 87 Shape portion 86.In the embodiment of fig. 3, centre bearing hub 87 extends below disc portion 86, and thrust bearing 84 is at disc portion 86 extend above.In some embodiments, discontinuous perimeter support face 88 is configured to form interference with shell body 12 and is press-fitted.? In the embodiment of Fig. 3, bent axle set 42 includes four posts 89, and each post has the opening 91 being configured to receive threaded fastener. Being understood that, the alternate embodiments of the present invention can include having the bent axle set more or less than four posts, or described post is complete Portion is independent parts.The alternate embodiments of the present invention also includes post and guide ring 160 rather than bent axle overlaps integral part of reality Execute mode.

In all embodiments more as shown in Figure 3, the inner surface radial direction that each post 89 has from shell body 12 is inside The general planar end face 97 of spaced arc-shaped outer surface 93, angled inner surface 95 and support guide ring 160.At this In embodiment, discontinuous perimeter support face 88 is against the inner surface of shell body 12.Further, each post 89 has and is positioned at post The chamfering rib 94 at the outer top of 89.In a specific embodiment, bent axle set 42 includes the multiple intervals between adjacent pillars 89 244.In the embodiment as shown, these interval 244 substantially indents and bent axle set 42 with these be spaced 244 portions as boundary Point not inner surface with shell body 12 is contacted.

The bearing supporting that upper supporting member or bent axle set 42 produce also by the axial thrust face 96 of thrust bearing 84 is to can Dynamic scroll compressor body 112 provides axial thrust to support.Although as Figure 1-3, bent axle set 42 can be by single entirety portion Part is integrally provided, but Figure 13 and 14 shows alternate embodiments, in this alternate embodiments axial thrust support by along The independent collar member 198 that annular table scalariform composition surface 100 assembles and is arranged concentrically in supporting member 199 top carries Supply.Collar member 198 defines central opening 102, and the size of this central opening 102 is sufficiently large, so that this opens central opening On the basis of eccentric drive division 74, also cylindrical sleeve drive hub 128 with movable scroll compressor body 112 leaves sky Gap, and allow their track eccentric motion.

Scroll compressor 14 more specifically details is, scroll compressor includes the first and second scroll compressors Body, described first and second scroll compressor bodies preferably include static fixed scroll formula compressor body 110 He Movable scroll compressor body 112.Although term " fixing " generally means that static or not in the context of the present invention Movable, but more specifically, " fixing " refer to non-track runs, the scroll element of non-driven, and such as have recognized that , due to thermal expansion and/or design tolerance, some narrow axial, radial directions and rotary motion are to allow.

For the purpose of compression cold-producing medium, movable scroll compressor body 112 is arranged for being relatively fixed vortex The track motion of compressor body 110.Fixed scroll formula compressor body includes from the first rib that plate-shaped base 116 is axially projecting 114 and first rib design in a spiral form.Similarly, movable scroll compressor body 112 includes from plate-shaped base 120 axle It is similar spiral-shaped to the second prominent scroll rib 118 and described second scroll rib.Scroll rib 114,118 is engaged with each other And seal against in the respective face of the pedestal 120,116 of compressor body 112,110 the opposing party.Thus, multiple compressions Chamber 122 is formed between the scroll rib 114,118 and pedestal 120,116 of compressor body 112,110.In described chamber 122, enter The progressively compression of row cold-producing medium.Cold-producing medium flows through the entrance around radius region inside vortex rib 114,118 outside with initial pressure District 124 (for example, see Fig. 1-2).(owing to described chamber is the most radially inwardly limited) after chamber 122 is progressively compressed, Cold-producing medium leaves via the compression outlet 126 medially limited on the pedestal 116 of fixed scroll formula compressor body 110.? In the operation of scroll compressor 14, chamber 122 can be left via compression outlet 126 through being compressed into the cold-producing medium of high pressure.

Movable scroll compressor body 112 engages with the eccentric drive division 74 of drive shaft 46.More specifically, it is movable The acceptance division of scroll compressor body 112 includes cylindrical sleeve drive hub 128, and described cylindrical sleeve drive hub 128 utilizes and sets Put the slidably bearing surface in cylindrical sleeve drive hub 128 slideably received within eccentric drive division 74.Specifically, partially Heart biasing drive division 74 engages with cylindrical sleeve drive hub 128 thus in drive shaft 46 around in the rotary course of central axis 54 Movable scroll compressor body 112 is moved around the orbital path round central axis 54.Close in view of this biasing System will cause the weight imbalance relative to central axis 54, and said modules generally includes installs to drive shaft with fixed angles orientation The counterweight 130 of 46.Counterweight 130 act as offsetting by eccentric drive division 74 with around the powered movable vortex of orbital path The weight imbalance that formula compressor body 112 causes.Counterweight 130 includes being attached the collar 132 and providing counterbalancing effect and thus put down Weigh the parts rotated around central axis 54 overall weight compensation weight district 134 (see Fig. 2 and 3 best seen from counterweight 130).This setting reduces black box by internal balance or elimination inertia force and shakes and noise.

See Fig. 4 and 7, it can be seen that the guiding movement of scroll compressor 14.In order to compress relative to fixed scroll formula Machine body 110 guides the track motion of movable scroll compressor body 112, can arrange suitable key coupler 140.At vortex Formula compressor field, keyed shaft coupling 140 is commonly referred to as " Oldham coupling (Oldham Coupling) ".Implement at this In mode, key coupler 140 includes outer ring body 142 and two the first axially projecting keys 144, and described first key 144 is along One transverse axis 146 straight line separates and two corresponding keyway tracks in fixed scroll formula compressor body 110 or groove 115 Closely and point-blank sliding in (illustrating in fig 1 and 2), described keyway track or groove 115 are also along first axle 146 straight line Separate and align.Groove 115 is limited by static fixed scroll formula compressor body 110, and thus key coupler 140 is along The linear motion of one transverse axis 146 is also for relative to shell body 12 and the linear motion that is perpendicular to central axis 54.Described key can wrap Include groove, groove or as depicted from prominent the dashing forward of the ring body 142 axial (being i.e. parallel to central axis 54) of key coupler 140 Rise.This motor control along the first transverse axis 146 guides the one of whole orbital paths of movable scroll compressor body 112 Part.

Referring specifically to Fig. 4, key coupler 140 includes the second key 152 of four axial projections, in described second key 152 Two key 152 phases are opposed to be roughly parallel to the second transverse axis 154 ground aligned, and wherein the second transverse axis 154 is perpendicular to the first transverse axis 146.Have what two groups of collaborative works highlighted from pedestal 120 on the opposition side of movable scroll compressor body 112 with reception Second key 152 of tab slides guidance part 254.Guidance part 254 is combined point-blank with the second key 152, and by guidance part 254 Along the sliding straight guiding movement of 152 groups of described second key, guidance part 254 is directed to carry out straight line fortune along the second transverse axis Dynamic.

In figure 4, it can be seen that four sliding contact surfaces 258 are arranged on four axially projecting of key coupler 140 On two keys 152.As it can be seen, each sliding contact surface 258 be included in the single quadrant of its own 252 (described quadrant 252 by Mutually perpendicular transverse axis 146,154 defines).As it can be seen, every at the first transverse axis 146 of the sliding contact surface 258 cooperated in pairs Side is arranged.

By key coupler 140, movable scroll compressor body 112 has relative to fixed scroll formula compressor body 110 along the first transverse axis 146 and the second transverse axis 154 is affined moves.Owing to movable scroll body is only permitted translational motion, Therefore rotating against of movable scroll body is caused to be prevented from.More specifically, fixed scroll formula compressor body 110 is by binding axle The movement limit of device 140 is in the linear motion along the first transverse axis 146；And then, when key coupler 140 is along the first transverse axis 146 During motion, just carry movable scroll 112 along the first transverse axis 146.Further, received by between the second key 152 and slided The sliding relative movement that dynamic described guidance part 254 is carried out, movable scroll compressor body 112 can be along the second transverse axis 154 move independently relative to key coupler 140.Move, by driving being mutually perpendicular on axis 146,154 by being allowed to simultaneously The eccentric drive division 74 of moving axis 46 is provided in the cylindrical sleeve drive hub 128 of movable scroll compressor body 112 Eccentric motion is converted to the movable scroll compressor body 112 orbital path relative to fixed scroll formula compressor body 110 Motion.

Movable scroll compressor body 112 is additionally included in and is perpendicular to the direction in guide ribs portion 262 (such as along first Transverse axis 146) upper prominent flange part 268.These additional flange parts 268 are preferably included in and are limited by guide ribs portion 262 Radial boundary in, thus be best accomplished by the benefit of miniaturization.This design further advantage is that movable vortex The sliding surface 254 of compressor body 112 is open and is not housed in groove.This has an advantage that in the fabrication process and makes Obtain movable scroll compressor body and can bear follow-up machine operations such as finish-milling, thus form requirement as desired Tolerance and running clearance.

Need fixed scroll formula it is said that in general, have movable and fixed scroll formula compressor body scroll compressor Compressor body 110 carries out multiple constraint, and wherein these constraints include limit radial movement and rotary motion but allow certain journey Degree move axially so that fixing and movable scroll compressor body 110,112 in scroll compressor 14 runs not Can be damaged.In embodiments of the present invention, above-mentioned constraint is provided by guide ring 160, as shown in figures 5-9.Fig. 5 shows root Guide ring 160 top side according to embodiments of the present invention structure.Guide ring 160 has end face 167, interface, tubular periphery 178, and Tubular the first inwall 169.The guide ring 160 of Fig. 5 includes four holes 161, to allow to lead in securing member hole as described in bolt inserts Attachment to ring 160 to bent axle set 42.In a specific embodiment, guide ring 160 has the axial projections arranging porose 161 171 (also referred to as installation bases).It will be appreciated by persons skilled in the art that the alternate embodiments of guide ring can have to be more than or few In the hole for securing member of four.Guide ring 160 can be mach metal casting, or is in an alternative embodiment Ferrum, steel, aluminum or the machined components of some other similar suitable material.

Fig. 6 shows the upward view of guide ring 160, the figure shows four holes 161 and is formed in guide ring 160 Two grooves 162.In the embodiment of fig. 6, groove 162 is arranged with approximation 180 degree interval on guide ring 160.Each groove 162 exists Both sides are defined by axially extending sidewall 193.As shown in Figure 6, the bottom side of guide ring 160 includes base portion 163, described base portion 163 on whole guide ring 160 circumference for continuous print thus form complete cylinder.But on every side of two grooves 162, have Cover the semicircle stage portion 164 of base portion 163 part, thus at guide ring 160 in each semicircle stage portion 164 radially Boss 165 is formed in inside part.Interior diameter or boss 165 is defined by the first inwall 169.

Second inwall 189 extends along the internal diameter of each semicircle stage portion 164.Each semicircle stage portion 164 enters one Step includes bottom surface 191, notch part 166 and chamfering lip 190.In the embodiment of fig. 6, each chamfering lip 190 is at semicircle Extend in the total length of shape stage portion 164, so that chamfering lip 190 is also semicircle.Each chamfering lip 190 is positioned at bottom surface On the radially edge of 191 and axially extending from bottom surface 191.Further, each chamfering lip 190 includes being positioned at down Chamfer Edge face 192 on lip 190 inside radius at angle.Upon assembly, Chamfer Edge face 192 is configured to each with what bent axle overlapped Chamfering rib 94 on post 89 closely cooperates.Closely cooperating of these fillet surfaces creates easier, cooperation preferably assembling, and Reduce the probability that packing problem occurs due to manufacturing tolerance.

In the embodiment of fig. 6, notch part 166 is arranged with approximation 180 degree interval on guide ring 160, and each Notch part 166 is approximately on the centre position between the two ends of semicircle stage portion 164.Notch part 166 in both sides by sidewall Portion 197 defines.Notch part 166 radially from and extend axially into the semicircle stage portion 164 into guide ring 160.

Fig. 7 shows the exploded view of scroll compressor 14 assembly according to the embodiment of the present invention.Shown top The parts in portion are to be suitable to guide ring 160 adaptive on fixed scroll formula compressor body 110 top.Fixed scroll formula compressor Body 110 has paired first and projects radially outwardly spacing block set 111.In the embodiment of Fig. 7, a pair first radially to Evagination goes out spacing block set 111 and is attached to the most peripheral interface 117 of the first scroll rib 114, and another projects radially outwardly first Spacing block set 111 is attached to the fixed scroll formula compressor body 110 perimeter portion below boundary 119.Further In embodiment, described paired first projects radially outwardly spacing block set 111 is arranged with about 180 degree of intervals.Additionally, at tool In body embodiment, every pair first projects radially outwardly spacing block set 111 and has and be positioned at groove 115 thereon.It is being embodied as In mode, groove 115 can be U-shaped opening, rectangular aperture or have some other suitable shape.

Fixed scroll formula compressor body 110 also has paired second and projects radially outwardly spacing block set 113, real at this Executing in mode, this spacing block set 113 is arranged with about 180 degree of intervals.In some embodiments, second limit is projected radially outwardly Position projection 113 and first projects radially outwardly the plane of spacing block set 111 share common.Additionally, in the embodiment of Fig. 7, This projects radially outwardly in spacing block set 113 and is attached to the most peripheral interface 117 of the first scroll rib 114 second, and This project radially outwardly in spacing block set 113 to second another be attached to fixed scroll formula compressor body 110 and be positioned at week Perimeter portion below interface 119.Movable scroll compressor body 112 is configured to keep also in the key of key coupler 140 And closely cooperate with fixed scroll formula compressor body 110.As described above, key coupler 140 have two axially projecting The first key 144, described first key be configured to receive in the first groove 115 projecting radially outwardly spacing block set 111.Work as group During dress, key coupler 140, fixing and movable scroll compressor body 110,112 are all configured to arrange in bent axle set 42, bent Axle sleeve 42 can be attached to guide ring 160 by the bolt 168 illustrated above guide ring 160.

Referring also to Fig. 7, fixed scroll formula compressor body 110 include plate-shaped base 116 (seeing Figure 14) and with tabular base The boundary 119 that seat 116 axially spaced-apart is arranged.In a specific embodiment, whole boundary 119 is by fixed scroll formula compressor First scroll rib 114 of body 110 surrounds, and described whole boundary 119 is configured to the first inwall against guide ring 160 169, but, the joint of guide ring and fixed scroll formula compressor body relates to also being expected less than the embodiment of all-round length. In the detailed description of the invention of the present invention, the tolerance of the first inwall 169 by accurately given with around boundary 119 closely cooperate from And limit moving radially of the first scroll compressor body 110, and thus the first scroll compressor body 110 is provided Radial constraint.Plate-shaped base 116 farther includes to radially extend end face 121 from what boundary 119 extended radially inwardly.Radially prolong Stretch end face 121 and extend radially inwardly (seeing Fig. 8) towards step portion 123.Tubular Nei Gu district 172 and peripheral flange 174 are from this Individual step portion 123 axially extending (being i.e. parallel to central axis 54, when being assembled in scroll compressor thermomechanical components 10).

Fig. 8 shows each parts of the Fig. 7 assembled completely.Guide ring 160 is by relative for fixed scroll formula compressor body 110 It is firmly held in its position in movable scroll compressor body 112 and key coupler 140.Bolt 168 is attached to guide Ring 160 and bent axle set 42.As seen from Figure 8, every pair first project radially outwardly spacing block set 111 be positioned at guide ring 160 with In the groove 162 of its correspondence.As it has been described above, be configured to connect at the paired first groove 115 projected radially outwardly in spacing block set 111 Receive two the first axially projecting keys 144.By this way, described paired first project radially outwardly spacing block set 111 and lead Engage to stop the rotation of fixed scroll formula compressor body 110 to the sidewall 193 of annular groove 162, and key coupler the first key 144 Engage with the sidewall of groove 115 to stop the rotation of key coupler 140.Spacing block set 111 also (to spacing block set 113) provides volume Outer axial limiting.

Although the most invisible, every pair second projects radially outwardly spacing block set 113 (seeing Fig. 7) and is embedded in guide ring In notch part 166 corresponding on 160, to retrain fixed scroll formula compressor body 110 axially-movable, thus limit fixing Scroll compressor body 110 move axially accessible scope.Guide ring notch part 166 is configured to guide ring 160 He Paired second project radially outwardly provide between spacing block set 113 certain interval with in scroll compressor running in solid Axial constraint is provided between fixed and movable scroll compressor body 110,112.But, project radially outwardly spacing block set 113 The span also moved axially by fixed scroll formula compressor body 110 with notch part 166 maintains within the acceptable range.

It should be noted that, " spacing block set " be generally used to finger project radially outwardly both spacing block sets 111,113 or its One of.Embodiments of the present invention can include each to projecting radially outwardly the only only a pair of of spacing block set, only may be maybe One projects radially outwardly spacing block set, and concrete right herein requires to include these different alternate embodiments

As shown in Figure 8, the design of bent axle set 42 and guide ring 160 allows key coupler 140 and fixing, movable vortex pressure The diameter of contracting machine body 110,112 approximates bent axle set 42 and the diameter of guide ring 160.As it is shown in figure 1, the diameter of these parts Can against or nearly bear against the inner surface of shell body 12, and thus, the diameter of these parts approximates the internal diameter of shell body 12. If it is also obvious that increase key coupler 140 in the range of fenced compressor case body 12 allows, then can be at key There is provided more space to be used for bigger thrust bearing in shaft coupling 140, and this bigger thrust bearing allows for bigger Scroll component.Scroll compressor 14 obtainable displacement in the shell body 12 of given diameter is maximized by this, and thus Use less material than traditional scroll compressor designs, use lower cost.

It is contemplated that include that four project radially outwardly spacing block set for the first scroll compressor body 110 111, the embodiment of Fig. 7 and 8 of 113, these spacing block sets 111,113 can provide the first scroll compressor body 110 Radial constraint, and retrain axially and in rotation.Such as, project radially outwardly spacing block set 113 and can be configured to tight with notch part 166 Close fit, so that these spacing block sets 113 limit the first scroll compressor body 110 fully along the first transverse axis 146 move radially.Further, each spacing block set 111 that projects radially outwardly can have notch part, described notch part be configured to By the part adjacent with the groove 162 of guide ring 160 of the first inwall 169, thus provide along the second transverse axis 154 radial direction about Bundle.Although this method is potentially it is required that spacing block set 111,113 or notch part 166 and groove 162 keep certain tolerance, But in these cases, without whole first inwall 169 for guide ring 160, tolerance will be accurately set, this is because no longer need This specific features is wanted to provide radial constraint for the first scroll compressor body 110.

See Fig. 9-12, the upside of fixed scroll 110 opposition side of scroll rib (such as with) support floating sealing member 170, described floating seal 170 is provided above demarcation strip 30.In the embodiment as shown, in order to house floating seal 170, the upside of fixed scroll formula compressor body 11 include annular and more specifically tubular Nei Gu district 172 and from interior The most spaced peripheral flange in hub district 172 174.Nei Gu district 172 and the peripheral flange 174 radial direction by pedestal 116 Extend panel 176 to connect.As shown in figure 11, the downside of floating seal 170 have be suitable to accommodating fixed scroll formula compressor this The circular cut-out portion in the Nei Gu district 172 of body 110.Further, as from Fig. 9 and 10, the peripheral wall 173 of floating seal is fitted In closely cooperating to a certain extent in peripheral flange 174.By this way, fixed scroll formula compressor body 110 will float Sealing member 170 is placed in the middle relative to central axis 54 and keeps.

In the detailed description of the invention of the present invention, the central area of floating seal 170 includes multiple opening 175.Illustrating Embodiment in, one of multiple openings 175 are centrally located on central axis 54.Central opening 177 is suitable to reception and is fixed to The rod member 181 of floating seal 170.As Fig. 9 is to shown in 12, and annular plate valve 179 is assembled to floating seal 170, so that ring Shape valve 179 covers the plurality of opening on floating seal 170 in addition to the central opening 177 that rod member 181 is inserted 175.Rod member 181 includes upper flange 183 and cane 187, and wherein upper flange 183 has the multiple openings 185 through it.From at figure In 9 visible, demarcation strip 30 has centre bore 33.The upper flange 183 of rod member 181 is adapted to pass through centre bore 33, and cane 187 passes Central opening 177.Rod member 181 is slided up and down to stop the backflow from high-pressure chamber 180 by annular plate valve 179 as required.Pass through This structure, the combination of demarcation strip 30, fixed scroll formula compressor body 110 and floating seal 170 is for by high pressure chest The room 180 low-pressure area 188 in shell body 12 is isolated.Rod member 181 guides and limits the motion of annular plate valve 179.Although demarcation strip Engage and by radial constraint in the 30 cylindrical sidewall districts 32 being shown in tip shell section 26, but demarcation strip 30 is substitutable for cylinder Shape arranges and is axially supported by some parts or the parts of scroll compressor 14.

In some embodiments, when in the floating seal 170 space between Nei Gu district 172 and peripheral flange 174 During installation, pressurizeed by passage (not shown) in the space below floating seal 170, and described passage penetrates fixed scroll formula pressure Contracting machine body 110 arrives chamber 122 (figure 2 illustrates).Above-mentioned pressurization by floating seal 170 upwardly and against demarcation strip 30 (figure 9 illustrates).Circular rib 182 presses against on the downside of demarcation strip 30, thus formed high pressure gas and low pressure air suction it Between sealing.

Although demarcation strip 30 can be stamped steel parts, it also can be configured to foundry goods and/or machine-tooled component (and can be by steel Or aluminum makes), under the higher pressure refrigerant gas output environment of scroll compressor 14, operating required ability to provide And architectural feature.By casting or machine demarcation strip 30 by this way, the heavy punching press of these parts can be avoided by.

In running, scroll compressor thermomechanical components 10 be operable as housing inlet port 18 receive low pressure refrigerant and Compression is for the cold-producing medium of transmission to high-pressure chamber 180, and wherein in described high-pressure chamber, cold-producing medium can pass through housing outlets 20 It is output.This allow low pressure refrigerant flow through electric motor assembly 40 and thus cool down and take away electric motor assembly 40 by The heat that the operation of motor produces.Low pressure refrigerant now can pass through longitudinally by electric motor assembly 40, walks around and pass electricity Move the clearance space in motor sub-assembly 40 and flow to scroll compressor 14.Low pressure refrigerant fills electric motor assembly 40 with outer The chamber 31 formed between housing 12.Low pressure refrigerant can be from chamber 31 through multiple spaces 244 thus through upper supporting structure Part or bent axle set 42, the plurality of space 244 is limited by the depression overlapping 42 circumference round bent axle thus at bent axle set 42 with outer Gap is formed between housing 12.The plurality of space 244 is overlapped 42 circumference relative to bent axle and is arranged with angle interval.

After the multiple spaces 244 on bent axle set 42, low pressure refrigerant is subsequently into fixing and movable vortex pressure Entrance district 124 between contracting machine body 110,112.From entering district 124, low pressure refrigerant enters into scroll rib on the opposite side And the quilt when flowing through chamber 122 114, (air inlet on every side of fixed scroll formula compressor body 110) between 118, Progressively compressing, until cold-producing medium reaches its most compressed state in compression outlet 126, cold-producing medium is subsequently from described compression outlet 126 through floating seal 170 and are entered high-pressure chamber 180 by multiple openings 175.High pressure compressed cold-producing medium is then from this Housing outlets 20 is flow through from scroll compressor thermomechanical components 10 in high-pressure chamber 180.

Figure 13 and 14 shows the alternate embodiments of the present invention.Figure 13 and 14 shows and independent collar member 198 groups The upper supporting member closed or bent axle set 199, to substitute the bent axle set 42 being formed as single-piece, this collar member 198 is vortex Compressor 14 provides axial thrust to support.In a specific embodiment, collar member 198 is along step-like annular abutment surfaces 100 It is assembled into supporting member or the top of bent axle set 199.Individually the existence of collar member 198 allows counterweight 230 to be assembled in attachment Bent axle to guide ring 160 overlaps in 199.This and counterweight 130 are positioned at the feelings described in the aforementioned embodiments outside bent axle set 42 Condition compares, it is allowed to greater compactness of assembling.

As clear from the exploded view of Figure 13 and as it has been described above, guide ring 160 can by multiple threaded fasteners with With guide ring in aforementioned embodiments be attached to bent axle overlap 42 identical modes be attached to upper supporting member or bent axle set 199.Join Weighing the flat profile of 230 allows it to be embedded in upper supporting member 199 internal 201 not and collar member 198, key coupler 140 or movable scroll compressor bodies 112 interact.

Turning now to Figure 15-25, these attached middle schools shown with can the compressor embodiment of Fig. 1-14 any one, Or the suction nozzle applied and use in other such compressor.Such as, Figure 15 shows the scroll compressor thermomechanical components at Fig. 1 Suction nozzle 300 embodiment of middle use, and thus, identical reference is used.Suction nozzle 300 can include being positioned at wearing Cross refrigerant inlet 18 and the plastics molding ring body 302 being in the stream of encirclement relation with motor 40.Suction nozzle 300 sets It is set to guide and guide cold-producing medium entrance motor to cool down motor, impurity is leached and around suction nozzle 300 simultaneously Lubricating oil is imported oil sump 76 by periphery.

As shown in figure 16, suction nozzle 300 has inlet region and inlet port (seeing Figure 15), and described inlet region and inlet port can Present the window alignd with entrance 18 or opening 304 form.In order to ensure this alignment, suction nozzle 300 includes seat flange 334 With alignment bumps 336.Suction nozzle 300 seat flange 334 along the ring body 302 of suction nozzle 300 the week end radially-inwardly Projection, to be landed on the periphery of lower support component 44.Further, seat flange 334 include around flange 334 circumference with Spaced relationship formed diameter alignment part 338, described diameter alignment part 338 together with flange 334 assisted inhalation pipe 300 at lower Diameter alignment in bearing member 44.On the opposition side of the opening 304 that alignment bumps 336 is positioned at ring body 302 and use is provided In the Anti-error structure that opening 304 aligns with entrance 18.

Additionally, as shown in figure 15, suction nozzle 300 includes filtering system when refrigerant gas enters compressor through entrance 18 The net 308 being positioned in opening 304 of refrigerant gas.Net 308 is generally made up of metal gauze (preferably rustless steel), wherein net The single aperture of 308 is usually located in the range of 0.5 to 1.5 millimeter.

Further, the refrigerant gas flowing into entrance 18 is lower than the refrigerant gas temperature of the compression in exit. In the running of scroll compressor 14, the temperature of motor 40 will raise.Thus, in addition it is also necessary in compressor operating process Middle cooling motor 40.For realizing this target so that be drawn into the low temperature refrigerant gas of compressor housing 12 by entrance 18 It is upward through and flows to arrive scroll compressor 14 along motor 40 ground, whereby motor 40 being cooled down.

Suction nozzle 300 is orientated as and is in encirclement relation with motor 40 and includes and the inner surface face of generally cylindrical housing 12 The generally arcuate outer surface (seeing Figure 15) of opposite contact.As shown in figure 16, suction nozzle 300 is included in housing 12 and part air-breathing Sealing surface 316 substantially sealed off is formed between pipe 300.Sealing surface can seal around window 304 and thus around window 304 ground To guarantee so that cold-producing medium flows into motor.Described sealing can be air-locked, but is not required so.This sealing is usual For guarantee more than 90% and refrigerant gas through net 308, and preferably at least 99% refrigerant gas through net 308. By arranging sealing between sealing surface 316 and the part around entrance 18 of housing 12, suction nozzle 300 can by bulky grain from Refrigerant gas through entrance 18 entrance filters and does not has unfiltered refrigerant gas to penetrate into compressor, and can be by cold But cold-producing medium imports motor so that the cooling of motor is better achieved.

Additionally, suction nozzle 300 includes arc-shaped circumference wall section 306a, 306b, 306c and 306d, described arc-shaped circumference wall section Each tubular inner circumferential with housing 12 contacts (seeing Figure 18).One periphery wall end 306d also constitutes sealing surface 316.306a、 306b, 306c and 306d project radially outwardly from the inner circumferential of the recess walls section 322 of suction nozzle 300.Further, suction nozzle 300 Can discharge on rear side of each circumference wall section 306a, 306b, 306c and 306d on suction nozzle inner surface thus increase spring bullet Property.Further, suction nozzle 300 include periphery wall section 306a, 306b, 306c and 306d and the annular of recess walls section 322 Body 302 is made up of elastoplast, and to form spring offsetting mechanism, this spring offsetting mechanism combines the annular of suction nozzle 300 originally The waveform characteristic of body 302 act as between housing 12 and sealing surface 316 applying pressure so that formed on sealing surface 316 Seal.

Figure 17 shows the size acting as forming the suction nozzle 300 of the sealing of sealing surface 316.The axis 318 that becomes a mandarin defines For when refrigerant gas enter entrance 18 time along refrigerant gas path extend axis (seeing Figure 15).Additionally, it is the most fixed Justice is perpendicular to become a mandarin the transverse axis 321 of axis.Thus, axis is become a mandarin in sealing surface 316 or the circumference inner surface of wall section 306d and week Between the outer surface of wall section 306b, cross over the first distance, and transverse axis is at circumference wall section 306a and the span of the outer surface of 306c More second distance.In an embodiment of suction nozzle 300, along transverse axis 321 pipe span than along become a mandarin axis 318 across Degree is slightly long or wide, and this makes the compression of described ring resilience and preferably seals on sealing surface 316.Along transverse axis 321 across Degree is alternatively or cumulatively slightly big than the inside dimension of housing, thus produces elastic compression.

More specifically, when suction nozzle 300 is assembled in housing 12, circumference wall section 306a act as cooperation together with 306c To (seeing Figure 15).Further, as defined above is the second distance of distance between circumference wall section 306a and 306c outer surface Than as defined above be distance between circumferential wall section 306d and 306b outer surface first apart from big 0.5% to 5%.Additionally Or alternatively, the span of described wall section (a pair or two to) can be slightly larger than the internal diameter of housing 12 to play ring body 302 Elastic compression, so that ring body effect is with elastic force.Thus, when suction nozzle 300 is assembled, due to circumference wall section 306a Being located against the compression of housing 12 ground with 306c, thus housing 12 causes second distance to be compressed along transverse axis.The compression of second distance Cause the expansion of the first distance, so that circumference wall section 306b contacts housing 12 inner surface and by circumference wall section 306d or close Front cover 316 is pushed into housing and is consequently formed sealing substantially.Thus, to act as another cooperation right for circumference wall section 306b and 306d.

In another embodiment of suction nozzle 300, described suction nozzle along the axis 318 that becomes a mandarin span be slightly larger than or It is wider than the span along transverse axis 321.In this detailed description of the invention, as defined above is circumference wall section 306b and 306d outer surface Between distance the first distance such as on be defined as the second distance of distance between circumference wall section 306a and 306c outer surface Big 0.5% to 5%.Span along the axis 318 that becomes a mandarin alternatively or additionally is slightly larger than the inside dimension of housing to produce Elastic compression.In this structure, when suction nozzle 300 is assembled, owing to circumference wall section 306b and 306d are located against housing 12 Ground compression, so housing 12 causes the first distance (as defined above) to be compressed along the axis 318 that becomes a mandarin.Further, first The compression of distance causes the expansion of second distance, pushes so that circumference wall section 306a and 306c are located against housing 12 ground.

Further, the relative mistake between the length of the first and second distances as defined above allows housing 12 in shape On some extra tolerances.Housing 1 is generally cylindrical.The production of housing 12 will not always be made by production unit for each completely Identical tubular size.But, enough sealings should be formed between sealing surface 316 and housing 12.By make second away from Being at a distance sufficiently large or vice versa from than first, it is possible to realize the specific dimensions tolerance of housing 12, this tolerance allows suction nozzle 300 in system Formed substantially sealed off in the range of the shell dimension made.

Additionally, suction nozzle 300 includes the thin-walled of the ring body 302 from suction nozzle 300 or recess walls section 322 radially outward At least one stability ribs extended or each stability ribs 324.Described stability ribs 324 be used for maintaining suction nozzle 300 and shell body 12 it Between open area (seeing Figure 18), and additionally assist in maintaining the shape of air-breathing pipe ring 302.Described open area is used as lubrication Oil recurrent canal or drainage channel 326, described lubricating oil recurrent canal or drainage channel are allowed for lubricating scroll compressor body Lubricating oil downward drain and flow through suction nozzle 300 and arrive in the pond of oil sump 76 (seeing Figure 15) on the sidepiece of shell body.Enter One step ground, each recess walls section 322 forms a passage 326, and each passage 326 includes passage 326 is divided into two At least one stability ribs 324 of subchannel.

Although the embodiment that Figure 16-18 illustrates illustrates each passage 326 of the stability ribs 324 comprising equal number, But each passage 326 can present more or less of stability ribs 324, and can present the stability ribs 324 of varying number.Enter One step ground, stability ribs 324 can not extend in the whole length of suction nozzle 302.It practice, stability ribs 324 can be profile of tooth or saw Dentation.In other embodiment of suction nozzle 302, stability ribs 324 can be single or serial liner or the form of buckle-shaped thing, Or stop suction nozzle entrance or the form of any rock-steady structure towards housing distortion.

As shown in figure 18, stability ribs 324 and housing 12 interact to protect the annular entirety of suction nozzle 300.Described change Shape process likely affects recess walls section, and this is owing to this section is different from circumference wall section 306a, 306b, 306c and 306d, does not has Have and contact Face to face with generally cylindrical housing 12.Thus, stability ribs is set to carry between recess walls section 322 and housing 12 For some contact surfaces, and the most still maintain passage 326 to provide the lubricating oil return path being back to oil sump 76.

As shown in figure 19, suction nozzle 300 includes that net 308, described net 308 are positioned on opening 304 to be filtered through entrance 18 The fluid entered.Net 308 is mounted and one connection on depressed area 310.Being embodied as of the suction nozzle 300 shown in Figure 19 In mode, depressed area 310 includes multiple post 312 close-fitting with the complimentary aperture 314 on net 308.In an assembling process, net 308 insert in depressed area 310 and melt post 312 so that net 308 is maintained at its position by the post 312 melted.Post 312 can be made of plastics and may utilize local heat source or ultrasonic amplitude transformer is heating-fusion bonded by fusing plastics.

Net 308 does not have another embodiment of the present invention in hole 314 and illustrates in fig. 20.In this detailed description of the invention In, suction nozzle 300 includes depressed area 310, and this depressed area 310 has a series of posts 312 round opening 304 circumference.But, Substituting and arrange hole 314 close-fitting with post 312, post 312 only projects through the microstome having had on net 308. This can occur in assembling during the local melting of post 312.Being similar to the embodiment shown in Figure 19, post 312 melts also And net 308 is maintained at its position by the plastics of deformation.

Figure 21 shows another embodiment of the present invention, and in this embodiment, depressed area 310 does not include post 312.Figure 22 Show that suction nozzle 300 blocks the cross section of depressed area 310.Net 308 is only placed in depressed area 310.At this of the present invention In detailed description of the invention, suction nozzle 300 is made up of any thermoplastic.In order to net 308 being maintained at its position, limit of caving in Each section of edge 320 melts around the circumference of opening 304 to adhere on net 308.Figure 23 shows and net 308 is maintained at depressed area Portion of melting 330 in 310.

Figure 24 shows the another embodiment of suction nozzle 300, and this suction nozzle 300 does not include the depression limit in Figure 16-23 Edge 320 and include groove 332.Groove 332 is bottom suction nozzle 300 or the opening at top, this groove 332 allow to insert net 308 so that Obtain net 308 and cover opening 304.Figure 25 shows the net 308 inserting the groove 332 bottom suction nozzle 300.Concrete shown in Figure 25 In embodiment, in net 308 insertion groove 332, and then the part being made up of any thermoplastic of suction nozzle 300 is melted Change, so that melting end adheres on net 308 thus is maintained in groove 332 by net 308.

In suction nozzle 300 above described embodiment, net 308 is attached to suction nozzle 300 with enough intensity, thus The active force produced when making to be drawn under it is with considerable viscosity in entrance 18 (seeing Figure 15) by cold-producing medium is not enough to destroy Net 308.Thus, it is allowed to net enters before scroll compressor 14 from cold-producing medium impurity screening at cold-producing medium.

Additionally, net 308 can be made up of wire screen, and the molding that suction nozzle 300 can be such as nylon or other plastics is moulded Material component.As discussed above, thermal welding and thermal weld allow only to melt the plastic material of suction nozzle 300 and do not damage metal Net 308.Further, driver element 16 (seeing Fig. 1) usually includes the electro-motor 40 of stator 50.No matter net 308 is placed in (such as Figure 19) or groove 332 interior (such as Figure 25) in depressed area 310, all can be by the plastics on ring body 302 and electro-motor Stator 50 electric insulation of 40.In suction nozzle 300 embodiment include depressed area 310 or groove 332, insulating effect is achieved It is owing to described net is surrounded by the described material of suction nozzle 300, and this material is the most non-conductive.Generally, suction nozzle 300 will be by all Material preferably such as the substantially electric insulation of the above-mentioned plastics mentioned is made.

Including disclosure, patent application and herein cited patent all of reference at this with each reference by individually and Particularly point out passing through of the identical degree that is incorporated in way of reference to be suggested with its entirety in this article with each reference It is expressly incorporated herein with reference to mode.

Unless otherwise indicated herein or context is clearly contradicted, otherwise the present invention comment (particularly under State in claim word) in the use of term " ", " " and " described " and similar terms should be interpreted that and both include list Number includes again plural number.Term " includes ", " having ", " comprising " and " containing " unless otherwise stated, should be construed to open Formula term (i.e. mean " including, but not limited to ").Unless otherwise indicated herein, the row of the scope of value the most herein Lift and be intended only to serve as respectively with reference to the method for simplifying of each independent value fallen within the above range, and each independent value As it is individually enumerated in this article incorporated herein.Unless otherwise indicated herein or context is clearly contradicted, no Then all methods described herein can be implemented in any suitable order.Unless otherwise stated, the most provided in this article The use of any and all embodiment or exemplary language (such as " as ") is merely intended to preferably illustrate the present invention and do not have The scope of the present invention is limited.It is most important that language in the present invention is all not construed as referring to the enforcement to the present invention The component of any non-declarative

The preferred embodiment of the present invention is described in this article, it include that inventor knows for implementing the present invention's Optimal mode.For those of ordinary skill in the art, as long as the deformation of those preferred implementations is stated before reading Bright will become apparent from.Inventor expects that technical staff is appropriately carried out these deformation, and inventor wishes this Bright it is practiced with the method beyond specifically describing herein.Thus, as applicable law allows, the present invention includes being invested this The all of remodeling of theme of claim recitation and equivalence.Additionally, unless otherwise indicated herein or the obvious lance of context Shield, component the most described above with its likely modification and any combination of being formed are contained by the present invention.

Claims

1., for compressing a compressor for fluid, described compressor includes:

Housing, it has the outlet for the entrance and Returning fluid receiving fluid；

Compressor means, it is suitable to towards outlet compression fluid, and described compressor means is accommodating in the housing；

Driver element, it is operably connected to compressor means for driving compression mechanism compression fluid；And

Being positioned at the suction nozzle of housing, described suction nozzle has the inlet region on the entrance being arranged in housing, and described suction nozzle has The sealing surface round inlet region, described sealing surface is had to be located against the biasing of shell inner surface floor spring；

Wherein, spring biasing mechanisms is integrally formed with suction nozzle, described spring biasing mechanisms with entrance positioned in spaced relation Act on housing biasing sealing surface against shell inner surface floor spring.

Compressor the most according to claim 1, wherein, spring biasing mechanisms is integrally formed in the body of suction nozzle, inhales Trachea is formed by the elastoplast of elastic deformation when installing in the housing.

3., for compressing a compressor for fluid, described compressor includes:

Driver element, it is operably connected to compressor means for driving compression mechanism compression fluid；

Wherein, housing includes generally cylindrical shell section, and housing defines by the axis that becomes a mandarin of described entrance cincture, initial edge of flowing The described axis that becomes a mandarin enters housing, and suction nozzle includes ring body；And

Ring body has the maximum span on transverse axis, this maximum span more than ring body along the axis that becomes a mandarin maximum across Degree, to cause ring body to be extruded along transverse axis by shell section, thus produce with by sealing surface against shell inner surface floor spring The spring biases strength of biasing.

4., for compressing a compressor for fluid, described compressor includes:

Wherein, housing includes generally cylindrical shell section, and wherein, housing defines by the axis that becomes a mandarin of described entrance cincture, flowing The axis that initially becomes a mandarin described in edge enters housing, and suction nozzle includes ring body；And

Described ring body has the maximum span becoming a mandarin on axis, to cause ring body to be squeezed along the axis that becomes a mandarin by shell section Pressure, thus produces the spring biases strength to be biased by sealing surface against shell inner surface floor spring.

Compressor the most according to claim 3, wherein, sealing surface includes that generally cylindrical of the inner surface for housing is big The cambered surface that body shapes.

Compressor the most according to claim 3, wherein, ring body is continuous print and is consequently formed entirely around electronic The complete annular of the driver element of motor, wherein, compressor means is to include the whirlpool of a plurality of scroll compressor body Rotary compressor, described a plurality of scroll compressor bodies have corresponding pedestal and highlight and mutual around axis from corresponding pedestal Engage the corresponding scroll rib for compressing fluid；Described electric motor operated is to promote the phase between scroll compressor body Track is moved.

7., for compressing a compressor for fluid, described compressor includes:

Wherein, described suction nozzle includes the ring body of the driver element around electro-motor form, and suction nozzle defines extension Through the inlet port of ring body, described inlet port aligns with described entrance to enter from the fluid direct communication of described entrance In electro-motor.

Compressor the most according to claim 7, farther includes to be positioned at entering the mouth and being arranged as of ring body Fluid leaches oarse-grained net before arriving electro-motor, and described inlet port includes the window being fully sealed face cincture.

Compressor the most according to claim 7, wherein, ring body is arranged around vertical axis, and described compressor enters one Step be included between housing and suction nozzle limit and around sealing surface and with inlet region biasing position in annular this At least one the oil backward channel vertically extended between top and the bottom of body.

Compressor the most according to claim 7, wherein, ring body includes being connected to recess walls section and from recess walls Multiple arc-shaped circumference wall sections that section projects radially outwardly, its middle shell limits by the axle that becomes a mandarin being perpendicular to vertical pivot of entrance cincture Line, flowing is initially to enter housing along the described axis that becomes a mandarin, and housing is further defined by being perpendicular to vertical pivot and transverse to the axis that becomes a mandarin Extend transverse axis, it is right that the plurality of arc-shaped circumference wall section includes that first with the axes intersect that becomes a mandarin cooperates, first cooperate to one To provide sealing surface on generally cylindrical of the inner surface that individual arc-shaped circumference wall section acts on housing, the plurality of arc-shaped circumference wall Section includes that the second cooperation intersected with transverse axis is right.

11. compressors according to claim 10, wherein, under lax uncompressed state, by second cooperation to along The maximum outside dimension span that transverse axis limits cooperates to the maximum outside dimension span limited along the axis that becomes a mandarin more than by first.

12. compressors according to claim 10, wherein, at lax uncompressed state, by the first cooperation to along entering The maximum outside dimension that stream axis limits is across cooperating to the maximum outside dimension span limited along transverse axis more than by second.

13. compressors according to claim 11, wherein, at lax uncompressed state, by the second cooperation to along horizontal stroke The maximum outside dimension span of axis limit than by first cooperation to the maximum outside dimension span big 0.5% limited along the axis that becomes a mandarin to 5%.

14. compressors according to claim 12, wherein, at lax uncompressed state, by the first cooperation to along entering Stream axis limit maximum outside dimension span than by second cooperation to the maximum outside dimension span big 0.5% limited along transverse axis to 5%.

15. compressors according to claim 10, wherein, the first cooperation to generally cylindrical of the inner surface at housing Upper effect spans bigger bevel protractor with the one arc-shaped circumference wall section of offer sealing surface than another arc-shaped circumference wall section Very little.

16. compressors according to claim 10, wherein, recess walls section defines than described arc-shaped circumference wall Duan Geng little 's Outer perimeter, wherein, housing includes generally cylindrical shell section, forms gap to provide between recess walls section and generally cylindrical shell section Along the oil flow channel of ring body periphery, and wherein, recess walls section includes inner perimeter, except forming an arc of sealing surface Outside shape periphery wall section, remaining each arc-shaped circumference wall Duan Jun includes along inner perimeter, extends more with inner perimeter described in radius ratio Big release portion, inside.

17. 1 kinds of compressors being used for compressing fluid, described compressor includes:

Housing, it has the outlet for the entrance and Returning fluid receiving fluid, and described housing includes around vertical pivot substantially Barrel-type casing section, wherein, described housing limits by the axis that becomes a mandarin of entrance cincture, and the axis that becomes a mandarin described in flowing initially edge enters shell Body, described in the axis that becomes a mandarin be perpendicular to vertical pivot；

Compressor means, it is suitable to towards described outlet compression fluid, and described compressor means is accommodating in the housing, compressor machine Structure includes that a plurality of scroll compressor body, described a plurality of scroll compressor bodies have corresponding pedestal and from corresponding base Seat is prominent and engages each other the corresponding scroll rib for compressing fluid around axis；

Driver element, it is operably connected to compressor means to drive compression mechanism compression fluid, and described driver element be electric Dynamic motor, electro-motor is operable as promoting the relative track movement between scroll compressor body；And

Suction nozzle in housing, described suction nozzle has the inlet region being arranged on housing inlet port, and described suction nozzle has cincture The sealing surface of inlet region, described sealing surface is located against the biasing of shell inner surface floor spring, and spring biasing mechanisms is integrally formed in suction In trachea body, suction nozzle is formed by the elastoplast of elastic deformation when installing in the housing, and suction nozzle includes ring body, its Described in sealing surface include the arcwall face that substantially shapes for the generally cylindrical face of shell inner surface, described suction nozzle wraps further Include and be positioned at ring body and enter the mouth and be arranged as arriving before electro-motor at fluid leaching oarse-grained net, described entrance Mouth include by sealing surface entirely around window；

Wherein, ring body has the maximum span on transverse axis, and this maximum span is more than the maximum span along the axis that becomes a mandarin, logical Cross so that ring body is extruded along transverse axis by shell section, thus what sealing surface was biased by generation against shell inner surface floor spring The spring biases strength.

18. 1 kinds of compressors being used for compressing fluid, described compressor includes:

Wherein, ring body has the maximum span becoming a mandarin on axis, and this maximum span is more than ring body along ring body The maximum span of transverse axis, by making ring body be extruded along the axis that becomes a mandarin by shell section, thus produce by sealing surface against The spring biases strength of shell inner surface floor spring biasing.

19. 1 kinds of compressors being used for compressing fluid, described compressor includes:

Wherein, ring body includes multiple arc-shaped circumference wall section connected by recess walls section and is perpendicular to vertical pivot and the axle that becomes a mandarin The transverse axis that line extends；It is right that the plurality of arc-shaped circumference wall section includes that first with the axes intersect that becomes a mandarin cooperates, first cooperation to One arc-shaped circumference wall section acts on providing sealing surface, the plurality of arc-shaped circumference wall on generally cylindrical of shell inner surface The second cooperation that section also includes intersecting with transverse axis is right, wherein the first cooperation to effect on generally cylindrical of shell inner surface With provide the one arc-shaped circumference wall section of sealing surface than other arcuate section spans bigger Angular Dimension, and its concave Fall into wall section and limit the outer perimeter than arc-shaped circumference wall Duan Geng little, the gap formed between recess walls section and generally cylindrical shell section To provide the oil flow passage through ring body, and wherein recess walls section includes inner perimeter, each arc-shaped circumference wall Duan Jun Including along inner perimeter, with the bigger release portion, inside of inner perimeter extension described in radius ratio.

20. compressors according to claim 19, wherein by second cooperation to the maximum outside dimension limited along transverse axis across Degree cooperates to the maximum outside dimension span limited along the axis that becomes a mandarin more than by first.

21. compressors according to claim 19, are wherein cooperated to the maximum outer chi limited along the axis that becomes a mandarin by first Very little span cooperates to the maximum outside dimension span limited along transverse axis more than by second.

22. 1 kinds are used for the method providing compressor, and the method includes:

The entrance having for receiving fluid and in the housing of the outlet of Returning fluid accommodating compressor means, described pressure Contracting machine mechanism is suitable to towards outlet compression fluid；

Drive compressor means to compress fluid；

Suction nozzle spring is biased in the housing with the sealing surface against housing seal suction nozzle；

By the inlet region with inlet port, fluid being entered with passing suction nozzle, described inlet port is formed also in suction nozzle And by sealing surface at least partially around, described inlet port aligns with described entrance；

By providing described spring to bias suction nozzle body elastic deflection, and described suction nozzle body is for the inside of housing Adjusting Shape is also consistent with the interior shape of housing.

23. 1 kinds are used for the method providing compressor, and the method includes:

Drive compressor means to compress fluid；

Wherein, housing limits by the axis that becomes a mandarin of entrance cincture, and the axis that becomes a mandarin described in flowing initially edge enters housing, described side Method farther includes to form suction nozzle with annular, arranges the size of described annular with along the axis effect being horizontally placed on the axis that becomes a mandarin And compression suction nozzle, and expand suction nozzle along the axis that becomes a mandarin, thus provide spring to bias.

24. 1 kinds are used for the method providing compressor, and the method includes:

Drive compressor means to compress fluid；

Wherein, housing limits by the axis that becomes a mandarin of entrance cincture, and the axis that becomes a mandarin described in flowing initially edge enters housing, described side Method farther includes to form suction nozzle with annular, arranges the size of described annular with along axis effect and the compression air-breathing of becoming a mandarin Pipe, and expand suction nozzle along the axis being horizontally placed on the axis that becomes a mandarin, thus provide spring to bias.

25. methods according to claim 23, farther include:

Along the flow channel oil return by gravity type drain formed between ring body periphery and the inner surface of housing, described Flow channel and entrance interval are arranged.

26. methods according to claim 24, farther include to flow through inlet port so that fluid and flow through ring Shape body, a road flows through ring body and inflow is equipped with the motor shell of the electro-motor for driving compressor means Body.

27. methods according to claim 22, wherein, housing includes that generally cylindrical shell section, described method wrap further Include and housing is connect by the arc-shaped circumference wall section of ring body is discontinuous with ring body on the spaced position of angle Touch；The arc-shaped circumference wall section of ring body is connected with recess walls section；And at least in addition to forming an arc of sealing surface Beyond perisporium section, the inner perimeter of arc-shaped circumference wall section is discharged relative to inner wall section.